JAN1N4963CUS

Series:	Military, MIL-PRF-19500/356
Packaging:	Bulk
Part Status:	Active
Voltage - Zener (Nom) (Vz):	16V
Tolerance:	±2%
Power - Max:	5W
Impedance (Max) (Zzt):	3.5 Ohms
Current - Reverse Leakage @ Vr:	5µA @ 12.2V
Voltage - Forward (Vf) (Max) @ If:	1.5V @ 1A
Operating Temperature:	-65°C ~ 175°C
Mounting Type:	Surface Mount
Package / Case:	E-MELF
Supplier Device Package:	D-5B

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Diodes - Zener - Single: JAN1N4963CUS Application Field and Working Principle

Diodes - Zener - Single represent a specific type of semiconductor zener diode, commonly known as a single zener diode. In this article, the JAN1N4963CUS will be discussed in terms of its application field and working principle.A single zener diode is a diode-like device composed of a semiconductor material with a heavily doped pn junction that can be designed to operate as a controlled rectifier. The JAN1N4963CUS is a single zener diode designed for voltages between 6.2V and 200V and for maximum power dissipation of 1W. The maximum repetitive peak reverse voltage (V RRM ) of the JAN1N4963CUS is 200V.The JAN1N4963CUS, as a single zener diode, can be used in a variety of applications, particularly those where the power flow needs to be controlled. Its most common applications include voltage regulation, wave shaping, biasing and clamping, transient suppression, relay protection, limit voltage setting and TVS protection.In voltage regulation applications, the JAN1N4963CUS can be used to maintain a constant voltage output despite varying loads. This is because the zener diode will withdraw the current necessary to maintain the desired output voltage, thus limiting the current flow.In wave shaping and biasing applications, the JAN1N4963CUS can be used to control the output voltage of an applied signal and to replace components in linear circuits. In clamping and transient suppression applications, the JAN1N4963CUS will clamp the signal to a predetermined voltage level and filter out any sudden voltage or current spikes. In relay protection applications, the JAN1N4963CUS will protect the relay from voltage overshoot and short circuits, as well as providing constant operating voltage for the relay.The working principle of the JAN1N4963CUS is relatively simple. In forward bias, the diode acts as an open circuit and all the current flows freely through the diode. However, in reverse bias, the diode becomes a closed circuit and all the current is blocked, except for a small leakage current that sustains the potential difference. When the voltage across the reverse-biased junctions reaches the zener breakdown level (V z ), a small surge of current is allowed to flow across the diode, resulting in a constant voltage output.The JAN1N4963CUS, as a single zener diode, is suitable for applications where the input and output voltages must remain constant over a range of conditions. Its rugged construction and simple operation make it an ideal choice for designers looking for an efficient and cost-effective solution.

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